Update prepare-pages.ps1

Author: keveleigh

Pipelines/Scripts/prepare-pages.ps1

@@ -84,7 +84,8 @@ parent: $packageFriendlyName
         # Create file, add front matter, and copy content
         $fileFolder = Join-Path $packageDocsPath ($_.DirectoryName | Split-Path -Leaf)
         New-Item -Path $fileFolder -ItemType Directory
-        $fileDestination = Join-Path $fileFolder $_.Name
+        # Remove the ~ from the Documentation~ folder name
+        $fileDestination = Join-Path ($fileFolder.Replace('~', '')) $_.Name
         $fileTitle = Select-String -Pattern "# (.+)" -Path $_ | Select-Object -First 1
         New-Item -Path $fileDestination -ItemType File -Value @"
 ---